Added CPS versions for fib
Added CPS versions for fib

eliben/code-for-blog,eliben/code-for-blog,eliben/code-for-blog,eliben/code-for-blog,eliben/code-for-blog,eliben/code-for-blog,eliben/code-for-blog,eliben/code-for-blog,eliben/code-for-blog,eliben/code-for-blog,eliben/code-for-blog